Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/MM4/EliasHowe_MusiciansCompanionP2-1843-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6072-EliasHowe_MusiciansCompanionP2-1843-V1.ps) >>/Users/jc/w/tmp/Tune-6072-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/MM4/EliasHowe_MusiciansCompanionP2-1843-V1.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_60728.log 925 Log file, useful mostly for debugging
Tune-6072-EliasHowe_MusiciansCompanionP2-1843-V1.abc 174 ABC music file with the extracted tune(s)
Tune-6072-EliasHowe_MusiciansCompanionP2-1843-V1.ps 6 PostScript
Tune-6072-EliasHowe_MusiciansCompanionP2-1843-V1.txt 174 Plain-text file with the extracted tune(s)
Tune-6072-get.log 4644 Log file, useful mostly for debugging
Tune-60720-get.log 1394 Log file, useful mostly for debugging
Tune-60722-get.log 1374 Log file, useful mostly for debugging
Tune-60724-get.log 1394 Log file, useful mostly for debugging
Tune-60727-get.log 4051 Log file, useful mostly for debugging
Tune-60728-24CountryDances_1766.abc 157 ABC music file with the extracted tune(s)
Tune-60728-24CountryDances_1766.ps 6 PostScript
Tune-60728-24CountryDances_1766.txt 157 Plain-text file with the extracted tune(s)
Tune-60728-get.log 4203 Log file, useful mostly for debugging
These files should be available for 24 hours.